120F40 Sprocket (QD Type) 17-Tooth Sprocket This 1-1/8" hex shaft coupler

This 1-1/8" hex shaft coupler is manufactured from high quality 1018 carbon steel with a black oxide coating

Dimension (dk): 174

120A10 sprockets with a stock bore comes with a 1-1/4" inside diameter plain hole and can be easily machine bored to custom sizes

7mm pitch simplex 083B roller chain

Something else that is notable about this 100B24 sprocket is that it fully meets all ANSI Standards

120F40 Sprocket (QD Type) 17-Tooth Sprocket This 1-1/8" hex shaft couplerThis 120F40 sprocket is a durable, high quality, and precision 40 tooth sprocket that is manufactured to accept a F bushing. Something that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #120 roller chain and sprocket, thus preventing premature wear or breakage and this means that it will directly interchange with most other manufactures sprockets. This sprocket is also black oxide